Ms. Killikelly added 33 and 48 by first

taking 2 from 33 and adding the 2 to 48

making 50. She likes making friendly

numbers when adding! What does she now

need to add to 50 to find the sum?

Answers

Answer 1

Answer:

31+2+48=31+50

30+50+1=81

Step-by-step explanation:

Ms. Killikelly is trying to add two 2-digits numbers by making the groups of tens

So she first tried to make 48 as 50 (i.e. group of five tens) by adding digit 2 of the number 33 to the number 48.

Now she needs to add 31 and 50. She needs to add three groups of tens (i.e. 30) with five groups of tens (i.e. 50) and then add 1(i.e. the remaining 1 of 31) as following

:

[tex]10+10+10+10+10+10+10+10+1=30+50+1=81[tex]  

(because 30=10+10+10 and 50=10+10+10+10+10)

OR simply as follow

30+50+1=81


Related Questions

Together, teammates Pedro and Ricky got 2681 base hits last season. Pedro had 283 more hits than Ricky. How many hits did each player have

Answers

Answer:

Ricky had 1199 hits.

Pedro had 1482 hits.

Step-by-step explanation:

State your variables

let "p" be the number of Pedro's base hits

let "r" be the number of Ricky's base hits

Create equations using information from the problem

p + r = 2681         [1]

p = r + 283          [2]

Substitute equation [2] in equation [1] replacing 'p'

p + r = 2681

r + 283 + r = 2681

Combine like terms to simplify

2r + 283 = 2681

Isolate '"r" to solve for Ricky's base hits.

2r + 283 - 283 = 2681 - 283            Subtract 283 on both sides

2r = 2398        

2r/2 = 2398/2               Divide both sides by 2

r = 1199              Number of Ricky's hits

Substitute r = 1199 into any equation to find "p". I will use [2].

p = r + 283

p = 1199 + 283         Add

p = 1482              Number of Pedro's hits

Therefore Ricky had 1199 hits and Pedro had 1482 hits.

Final answer:

Ricky had 1199 hits and Pedro had 1482 hits.

Explanation:

To solve this problem, we can set up a system of equations. Let x represent the number of hits Ricky had. Pedro had 283 more hits, so Pedro's number of hits would be x + 283.

Together, their hits add up to 2681, so we can write the equation:

x + (x + 283) = 2681

Combining like terms:

2x + 283 = 2681

Subtracting 283 from both sides:

2x = 2398

Dividing both sides by 2:

x = 1199

Ricky had 1199 hits and Pedro had x + 283 = 1199 + 283 = 1482 hits.

Which is a common effect of inflation?


Answers

Answer: Fills up something like how inflating a ballon fills it with air

Step-by-step explanation:

Hope it helped

Not sure bc I haven’t learned that yet

45 %of population of a town is female . what's the population of male if total population is 54320

Answers

Answer:29876

Step-by-step explanation:

Entire population is 100%

Male is 100%-45%

55%x54320=29876

Answer:

29,876 males

Step-by-step explanation:

If 45% of 54320 population is female. The population of male is calculated below.

The total population is 100% and female is 45%. Thus: 100% - 45% = 55%.

Percentage of male population is 55%. Hence, 55% of 54320 is calculated thus:

[tex] \frac{55}{100} \times 54320[/tex]

[tex] = 0.55 \times 54320[/tex]

[tex] = 29876[/tex]

Therefore, population of male if total population is 54320 is 29,876.

Check,

Female population percentage + male population percentage:

45% + 55% = 100%

24,444 + 29,876 = 54,320

(9x – 8) /
x + 10)
(x+2)

Answers

Answer:

15

Step-by-step explanation:

you work it out

10x+4y+ 12z=120
11x +77y =220
8x +2y +32z =160

Answers

Answer:

x=8.94 ; y = 1.58; z=2.02

Step-by-step explanation:

solve 10x+4y+12z = 120      →          5x+2y+6z = 60

         8x + 2y +32Z = 160   →           4x+y+16z = 80

To eliminate z multiply first equation by 16 and second equation by 6.

80x+32y+96z = 960

24x+6y+96z =   480

on subtractionwe get 56x+26y = 480

dividing by 2 we get, 28x + 13y = 240

Now we have a given equation 11x + 77y = 220 → x + 7y = 20

solving 28x + 13y = 240 and x + 7y = 20

28x + 13y =240

28x + 216y = 560

subtracting we get, 203y = 320

y = 1.58

x = 8.94

z = 2.02

The largest possible circle is cut out of a square whose side length is 8 feet. What will be the approximate area, in square feet, of the remaining board? ( A=3.14r2)

Answers

Therefore the area of remaining board  =13.76 square feet

Step-by-step explanation:

Given , The length of side of the square is 8 feet.

Since a circle is inscribed in the square. Then the diameter of the circle is equal to the length of side of the square .

Therefore the diameter of the circle is = 8 feet.

Radius of the circle is(r) = [tex]\frac{8}{2}[/tex] feet = 4 feet

The area of the circle is= 3.14 r²

                                       = 3.14 × 4² square feet

                                      = 50.24 square feet

The area of the square  is = side × side

                                          = 8×6 square feet

                                          =64 square feet

Therefore the area of remaining board = (64- 50.24)square feet

                                                                 =13.76 square feet

what is the slope of a line that passes through the points (3,-6) and (0,-1)​

Answers

Answer:

Step-by-step explanation:

[tex]\frac{-1+6}{0-3}\\\\\frac{5}{-3}\\ m = -1.6667[/tex]

Cristiano is rolling a number cube. What is the probability of rolling a , or
a 6 followed by a 3 or a 4?

Answers

By a three because six is a multiple of three

The probability of rolling a 6 followed by either a 3 or a 4 on a six-sided die is calculated by multiplying the probability of rolling a 6 (1/6) by the probability of then rolling either a 3 or a 4 (1/3), resulting in a combined probability of 1/18.

The question posed is about the probability of rolling a 6 followed by either a 3 or a 4 on a standard six-sided die. To find this, we first consider that the probability of rolling a specific number, such as a 6, on a six-sided die is 1/6. This is because there are 6 outcomes and only one of those outcomes is the desired number.

When rolling for the second number, which could either be a 3 or a 4, we have two desired outcomes out of the six possible outcomes on the die. Therefore, the probability of rolling either a 3 or a 4 is 2/6, which simplifies to 1/3.

To find the overall probability of rolling a 6 followed by either a 3 or a 4, we multiply the two probabilities together: (1/6) * (1/3) = 1/18. Therefore, the probability of this event occurring is 1/18.

The following two triangles have the same angles, and are similar. What is the ratio of hypotenuse to base for the triangles?

Answers

Answer:

A) The ratio of hypotenuse to base for the triangles is 0.75

Step-by-step explanation:

Here, the given  question is INCOMPLETE.

The following two triangles have the same angles, and are similar. What is the ratio of height to base for the triangles?

A) .75

B) 1.00

C) 1.25

D) 2.50

Here, given that the two triangles are similar.

In triangle one:

Height = 6 units , Base = 8 units

In triangle one:

Height = 3 units , Base = 4 units

Now,as the two given triangles are similar.

Their corresponding sides are PROPORTIONAL.

[tex]\implies \frac{H}{h} = \frac{B}{b} = \frac{6}{8} = \frac{3}{4} = 0.75[/tex]

So, in both the triangles, the corresponding side ratio is 0.75.

Hence, the ratio of hypotenuse to base for the triangles is 0.75

14 divided by 0.5 equals

Answers

Answer:

[tex]28[/tex]

Step-by-step explanation:

[tex] = \frac{14}{0.5} \ \\ \\ = \frac{14 \times 10}{5} \\ \\ = 14 \times 2 \\ = 28[/tex]

Answer:

[tex]28[/tex]........

How do you explain 87% of 55?

Answers

Calculator 1: Calculate the percentage of a number.

For example: 87% of 55 = 47.85
Calculator 2: Calculate a percentage based on 2 numbers.

For example: 47.85/55 = 87%

A line passes through (5,3) with a slope of 3/5. Plot 3 points on this line

Answers

Answer:

y=3/5*x, A(0,0), B(1,3/5), C(2,6/5)

Step-by-step explanation:

A(5,3)=(x1,y1)....x1=5, y1=3

m=3/5

y-y1=m(x-x1)

y-3=3/5(x-5)

y-3=3/5*x-3/5*5

y-3=3/5*x - 3

y=3/5*x-3+3

y=3/5*x

x=0, y=3/5*x, y=3/5*0=0 A(0,0)

x=1, y=3/5*1=3/5 B(1,3/5)

x=2, y=3/5*2=6/5 C(2,6/5)

Which polygon has an interior measure of 900°?

Answers

The polygon is a heptagon whose interior measure is 900 degrees

Solution:

The formula for calculating the sum of the measures of the interior angles of a polygon is:

[tex]S = (n-2) \times 180[/tex]

Where,

S = Sum of all interior angles

n = number of sides

From the given data:

S = 900

Therefore,

[tex]900 = (n-2) \times 180\\\\Divide\ both\ sides\ by\ 180\\\\n - 2 = 5\\\\n = 5 + 2\\\\n = 7[/tex]

The number of sides is  7

Heptagon is a seven-sided polygon or 7-gon

Therefore, the polygon is a heptagon

Answer:

its d on e2020 if anyone wanted the simple answer

Step-by-step explanation:

what is the value of 1-2/3*4+5=

Answers

The value of this equation is all together 15
4+5is9
1-2is1
1/3 x 9 is3
Ur answer is 3 !!!

josh's grandfather gave him one penny on the day he was born. he plans to double the amount he gives Josh every day. estimate how much Josh will recieve from his grandfather on the 15th day.

Answers

Answer: 32767 pennies

13800000rkkhvvjbccgbdbc

Can you prove that DEF is congruent to HGF.!? Justify your answer.

Answers

Answer C seams like a likely answer ssa

Step-by-step explanation:

jorge took a speed reading class last saturday from 9 am to 4 pm. he learned that he can speed read 330 pages of a novel in one hour with good comprehension. how many pages does he speed read in 225 minutes

Answers

Answer:

1hr = 60min

225min/ 60min = 3.75 hr

330 pgs. * 3.75hr = 1237.5 pages

He read 1237.5 pages in 225 minutes.

Jorge can speed read 1237.5 pages in 225 minutes.

How to convert the speed of something per hour to per minute.

If the speed of something is given per hour. We can convert it to per minute by dividing the speed by 60. This is because 1 hour = 60 minutes.

It is given that he can speed read around 330 words per hour.

We have to convert this into per minute.

This can be done as follows:

Speed = 330 pages per hour

= 330/60 pages per minute

= 5.5 pages per minute

We can multiply the number of pages per minute with the number of minutes to find how many pages he would have completed in that time:

5.5 * 225 = 1237.5 pages

Thus, we have found that Jorge can speed read 1237.5 pages in 225 minutes.

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The bottom of Ignacio's desktop is
74.5 cm from the floor. Ignacio sits in his adjustable chair, and the tops of his legs are 49.3 cm from the floor. Each clockwise rotation of the knob on the chair raises Ignacio's legs by 4.8 cm Write an inequality to determine the number of clockwise rotations, r, Ignacio could make with the knob without his legs touching the desk.

Answers

Answer:

The inequality to determine the number of rotations is given by

 r ≤ 5.25

Therefore the maximum number of rotations possible is 5.

Step-by-step explanation:

i.) The bottom of Ignacio's desktop is  74.5 cm from the floor.

ii.) The tops of his legs are 49.3 cm from the floor.

iii.) the difference between the bottom of Ignacio's desktop and the top of his legs = 74.5  - 49.3 = 25.2 cm.

iv.) Each clockwise rotation of the knob on the chair raises Ignacio's legs by 4.8 cm.

v.) let the number of clockwise rotations be r.

vi.) therefore the inequality to determine the number of rotations is given by

  4.8r ≤ 25.2     therefore r ≤ 25.2/4.8    therefore r ≤ 5.25

So I work at a welding shop,I cut alot of metal,if I cut a 17ft piece of metal and I need to punch 8 holes in it,how can I figure out how far apart each hole needs to be from each other so they can be even

Answers

Answer: 2.125 ft

Step-by-step explanation:

17/8=2.125

In order words each hole needs to be 2 ft and 1 and 1/2 inches apart.

What is it (6+9)-7-7

Answers

Answer:

1

Step-by-step explanation:

U add 6+9 which would be 15 than u multiply 15*(-7) which would equal 105 thn u subtract 7 which would equal 98

11 less than 7 times a number
is 5 more than 6 times the
number. Find the number

Answers

Answer:

5 i think. im not good at math. sorry if wrong

The answer is sixteen

9.5 , 9 3/4 , 9.125 , 9 3/4 from greatest to least

Answers

Answer:

9 3/4, 9 3/4, 9.5, 9.125

Step-by-step explanation:

*I converted to decimal form*

9 3/4= 9.75

9.75 is greater than both 9.5 and 9.125, so therefore it is first on the list.

Next, since 9.5 is greater than 9.125, it is arranged next on the list.

9.125 is the only number left, and is clearly the smallest out of all of the numbers shown.

We want to order the given set of numbers from greatest to lest.

The correct order is:

{9 3/4, 9 3/4, 9.5, 9.125}

Let's see how to get that.

The given set is:

{9.5, 9 3/4, 9.125, 9 3/4}

Here we can see that we have two times the mixed number (9 3/4).

This can also be written as:

9 + 3/4

And we know that 3/4 = 0.75

Then:

9 + 3/4 = 9.75

Then the mixed number is the largest number.

Then comes the 9.5, and finally the 9.125

Then the correct order is:

{9 3/4, 9 3/4, 9.5, 9.125}

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PLEASE CHECK IF THIS IS CORRECT YOU WILL GET BRANLIEST
AND PLEASE DO THE QUESTIONS
LOTS OF POINTS PLS

Answers

1) 216

2) 1

3) 450 ml

4)15 packs

5)12 sq m

Step-by-step explanation:

Step 1:

1) The series given is the cube of the first n natural numbers. Hence the nth term of the series can be obtained by n³.

Here we need the 6th term, so the cube of 6 is 216

Step 2 :

2 ) Area of the cube is given as 8000 cubic cm.

Hence side of the cube is 20 cm cube

The radius of the sphere is 20 cm as the diameter is given as 10 cm.

Hence number of spheres that can be placed in a cube of side 20 cm is 20/20 = 1

Step 3 :

3)

Total quantity of the mixture purchased from the chemist is 750 ml

Syrup and alcohol are in the ration 3:2

Hence the quantity of syrup in the mixture = 3/5 * 750 = 450 ml

Step 4 :

4)

Length and breadth of the given room is 17 m and 15 m

Hence its area is 17 * 5 = 85 sq m.

Size of the tiles is 1 sq m

So for covering 85 sq m we need 85/1 = 85 tiles

Since the tiles are bought in packs of 6 we need 85/6 packs which is approximately 15 packs of tiles.

Step 5 :

5)

Surface area of the given  box with length as l, breadth as b and width as w is

2lw+2 lh+2 wh

here we have l,b,w as 3,2,2

so surface area is 3*2*2 = 12 sq m  

Answer:

1) 216

2) 1

3) 450 ml

4)15 packs

5)12 sq m

Step-by-step explanation:

Step 1:

1) The series given is the cube of the first n natural numbers. Hence the nth term of the series can be obtained by n³.

Here we need the 6th term, so the cube of 6 is 216

Step 2 :

2 ) Area of the cube is given as 8000 cubic cm.

Hence side of the cube is 20 cm cube

The radius of the sphere is 20 cm as the diameter is given as 10 cm.

Hence number of spheres that can be placed in a cube of side 20 cm is 20/20 = 1

Step 3 :

3)

Total quantity of the mixture purchased from the chemist is 750 ml

Syrup and alcohol are in the ration 3:2

Hence the quantity of syrup in the mixture = 3/5 * 750 = 450 ml

Step 4 :

4)

Length and breadth of the given room is 17 m and 15 m

Hence its area is 17 * 5 = 85 sq m.

Size of the tiles is 1 sq m

So for covering 85 sq m we need 85/1 = 85 tiles

Since the tiles are bought in packs of 6 we need 85/6 packs which is approximately 15 packs of tiles.

Step 5 :

5)

Surface area of the given  box with length as l, breadth as b and width as w is

2lw+2 lh+2 wh

here we have l,b,w as 3,2,2

so surface area is 3*2*2 = 12 sq m  

Step-by-step explanation:

What is a initial population for an exponential function represented in an equation that represents the function?

Answers

The initial population is represented by [tex]P_{0}[/tex] which is the population at [tex]t=0[/tex], in other words [tex]P_{0}=20,000[/tex]

Explanation:

Suppose you have the following problem:

The population of Naguanagua in 2019 is estimated to be 20,000 people with an annual rate of increase of 4%. Which equation models the population of Naguanagua in t years?

Let:

[tex]P:Population \ of \ Naguanagua \\ \\ t:Number \ of \ years \ since \ 2019 \\ \\ r:Rate \ of \ increase[/tex]

So the population of Naguanagua can be modeled by the following equation:

[tex]P=P_{0}(1+r)^t \\ \\ P_{0}=20,000 \\ \\ r=4\%=0.04 \\ \\ \\ P=20,000(1+0.04)^t \\ \\ P=20,000(1.04)^t[/tex]

So the initial population is represented by [tex]P_{0}[/tex] which is the population at [tex]t=0[/tex], in other words [tex]P_{0}=20,000[/tex]

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What is x divided by y

Answers

Answer:

X/Y

Step-by-step explanation:

You cannot divide two variables so you just leave it as a fraction

The result of division, when, x divided by y is: x/y.

Here, we have,

given that,

What is x divided by y

i.e. now, we have to divide x by y

so, we get, x is the dividend, and y is the divisor,

so, x = numerator

and, y = denominator

we know that,

we cannot divide two variables so we just leave it as a fraction

i.e. we get,

x divided by y = x/y

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solve the proportional equation 3/m-2 = 7/m+2

Answers

Answer:

The answer is m = 5

Step-by-step explanation:

Let's solve the proportional equation, this way:

3/m-2 = 7/m+2

3 * (m + 2) = 7 * (m - 2) [Lowest common denominator (m + 2) * (m - 2)]

3m + 6 = 7m - 14

-4m = -14 - 6 (Like terms)

-4m = -20

m = -20/-4

m = 5

The answer is m = 5

Simplify.
Rewrite the expression in the form 4^n
(4^6)(4^-8) =

Answers

Answer:

  4^-2

Step-by-step explanation:

The rules of exponents tell you ...

  (a^b)(a^c) = a^(b+c)

This means ...

  (4^6)(4^-8) = 4^(6-8) = 4^-2

Final answer:

To simplify the expression (4^6)(4^-8), add the exponents and rewrite the expression as 4^(-2). Then, use the rule that states any number raised to the power of -1 is the reciprocal of that number to rewrite 4^-2 as 1/(4^2) which equals 1/16.

Explanation:

To simplify the expression (4^6)(4^-8), we can use the rule that states when you multiply two powers with the same base, you add their exponents. In this case, 4^6 multiplied by 4^-8 will be equal to 4^(6 + (-8)). Simplifying the exponent, we have 4^(-2). Since any number raised to the power of -1 is the reciprocal of that number, we can rewrite 4^-2 as 1/(4^2) which is equal to 1/16.

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Bonnie has to maintaining an average of 90 in all of her classes to have an A average . In math , she has scored 93,70,99 and 95 on the first four tests . What must she score on the last test to have an average 90 ?

Answers

Answer:trey wey ery day

Step-by-step explanation:

Answer:it’s 93 that’s all that matters

Step-by-step explanation:

Cesar is 35 years old. He has $870 in a checking account, $2900 in a savings
account, $13,000 in a retirement account, and owns a car worth $5900. What
is the total value of his liquid assets?
A. $3270
O B. $18,900
O c. $22,170
O D. $2900
please help

Answers

Answer:

A. $3770

Step-by-step explanation:

The correct answer must be $3770 (not $3270), checking accounts and savings accounts are liquid assets. However, cars are not liquid assets because liquid assets are things that can be quickly turned into cash without losing much if any of their inherent value. In this case, the retirement account is not a liquid asset as it is designed to hold your money until retirement age, and given that Cesar is 35 years old so he has not reached retirement age.

Answer:

the answer is a 3770.

Step-by-step explanation:

Please Help
A line has a slope of Negative three-fourths and passes through the point (–5, 4). Which is the equation of the line?
y = negative three-fourths x + one-fourth
y = negative three-fourths x + 4
y = negative three-fourths x minus 2
y = negative three-fourths x minus one-fourth

Answers

The equation of the line is [tex]y=-\frac{3}{4}x+\frac{1}{4}[/tex]

Step-by-step explanation:

The equation of a line can be written using the following form

[tex]y-y_0 = m(x-x_0)[/tex]

where

m is the slope of the line

[tex](x_0,y_0)[/tex] are the coordinates of a point lying on the line

For the line in this problem, we know that:

[tex]m=-\frac{3}{4}[/tex] is the slope

[tex](x_0,y_0)=(-5,4)[/tex] are the coordinates of the point

Therefore, substituting into the equation,

[tex]y-4=-\frac{3}{4}(x-(-5))[/tex]

And re-arranging the equation we get:

[tex]y-4=-\frac{3}{4}(x+5)\\y-4=-\frac{3}{4}x-\frac{15}{4}\\y=-\frac{3}{4}x+(4-\frac{15}{4})\\y=-\frac{3}{4}x+\frac{1}{4}[/tex]

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